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Wearing Ring NSN 4320-00-398-8143

Item Description

A cylindrical item with or without flange(s), designed to be inserted in a pump casing or secured to the impeller of a centrifugal pump. It is used for the purpose of providing a close running clearance between the impeller and casing in order to prevent or overcome leakage due to erosion. It may also be used as a diffuser ring in the suction and discharge throats of valves.

NSN 4320-00-398-8143 NSN: 4320-00-398-8143

Features and Characteristics

Overall Length
2.000 inches
Body Outside Diameter
Between 8.871 inches and 8.873 inches
Body Inside Diameter
7.970 inches
Corner Radius
1.562 inches inside right corner
Left Side Flange Thickness
0.375 inches
Right Side Flange Thickness
0.500 inches
Distance Between Flanges
1.125 inches
End To Flange Distance
1.562 inches
Internal Flange Inside Diameter
7.000 inches
Largest External Anchor Flange Radius
4.750 inches
Distance Below Centerline
0.062 inches
Distance From End
0.625 inches
Corner Shape
Square outside right corner
Material
Copper alloy
FSC
4320 Power And Hand Pumps
NIIN
003988143
NSN
4320003988143

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
CS4320-0225
Cage Code:
16236
Status:
A
MSDS:
Part Number:
327P
Cage Code:
93232
Status:
A
MSDS:
Part Number:
327
Cage Code:
93232
Status:
A
MSDS:
Part Number:
255074-16
Cage Code:
93232
Status:
A
MSDS:
Part Number:
SL5072PC69
Cage Code:
93232
Status:
A
MSDS:
Part Number:
SL5074PC69
Cage Code:
93232
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8413919520
  • NAICS: 333911
  • SITC: 74291
  • Description: Parts, nesoi, of pumps for liquids
  • End Use (Code 21100):
    Industrial engines

Q & A

Frequently asked questions for NSN 4320-00-398-8143
What are the manufacturers of nsn 4320003988143?
Does this nsn 4320003988143 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320003988143
A cylindrical item with or without flange(s), designed to be inserted in a pump casing or secured to the impeller of a centrifugal pump. it is used for the purpose of providing a close running clearance between the impeller and casing in order to prevent or overcome leakage due to erosion. it may also be used as a diffuser ring in the suction and discharge throats of valves.
Does nsn 4320003988143 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320003988143 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320003988143?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
22534
FIIG:
A19900
App. Key:
A
Cond. Code:
2
Status:
A

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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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